An excess of gamma rays in the center of our galaxy could mean scientists have finally detected dark matter particles—or not ...

If the universe is expanding, then what is it expanding into, and what is it expanding from? Where's the edge of the universe ...

Why is the universe expanding at an ever-increasing rate? This is one of the most exciting yet unresolved questions in modern ...

About a century ago, scientists were struggling to reconcile what seemed a contradiction in Albert Einstein’s theory of general relativity. Published in 1915, and already widely accepted worldwide by ...

Modern cosmology reveals a universe expanding uniformly without a spatial center or edge. The Big Bang wasn't a localized explosion but a simultaneous ...

A strange glow at the heart of our galaxy might be the long-awaited sign of dark matter, the invisible force believed to ...

UChicago-led study analyzes massive galaxy clusters mapped by the Dark Energy Survey, offers new way to probe cosmic laws ...

For thousands of years we assumed the Earth was the center of the universe. When Galileo advanced the proposition that the Earth revolved around the sun and was, in fact, only one of many planets that ...

A discovery of binary stars could be the first step in building a more complete picture of how our galaxy formed, according ...

He led a team of scientists who helped confirm that a Big Bang was the source of the universe. The discovery earned him a ...